January weather forecastBelmont, MA
January
Weather in January
January, the same as December, is another cold winter month in Belmont, Massachusetts, with an average temperature varying between 21.7°F (-5.7°C) and 33.4°F (0.8°C).Temperature
In Belmont, January is the coldest month, with temperatures averaging a high of 33.4°F (0.8°C) and a low of 21.7°F (-5.7°C).Humidity
The average relative humidity in January is 77%.Rainfall
In Belmont, during January, the rain falls for 7.8 days and regularly aggregates up to 2.24" (57mm) of precipitation. Throughout the year, there are 142.8 rainfall days, and 27.36" (695mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Belmont, in January, snow falls for 7.7 days, with typically accumulated 3.07" (78mm) of snow. In Belmont, during the entire year, snow falls for 29.6 days and aggregates up to 17.8" (452mm) of snow.Daylight
In January, the average length of the day is 9h and 30min.On the first day of January, sunrise is at 7:13 am and sunset at 4:22 pm. On the last day of the month, sunrise is at 6:59 am and sunset at 4:56 pm EST.
Sunshine
In January, the average sunshine is 5.1h.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for the average person.Note: A typical high UV index of 2 in January suggests the following recommendations:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. When the Sun is at its strongest around midday, find shade and limit exposure. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Belmont, MA
- Average high temperature in January: 33.4°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (33.4°F).
- Average low temperature in January: 21.7°F
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (21.7°F).
Average pressure in January
Belmont, MA
- Average pressure in January: 30.01"Hg
The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in January
Belmont, MA
- Average wind speed in January: 9.4mph
The windiest month (with the highest average wind speed) is January (9.4mph).
The calmest month (with the lowest average wind speed) is August (5.9mph).
Average humidity in January
Belmont, MA
- Average humidity in January: 77%
The month with the highest relative humidity is February (78%).
The month with the lowest relative humidity is April (70%).
Average rainfall in January
Belmont, MA
- Average rainfall in January: 2.24"
The wettest month (with the highest rainfall) is December (2.95").
The driest month (with the least rainfall) is September (1.3").
Average rainfall days in January
Belmont, MA
- Average rainfall days in January: 7.8 days
The months with the highest number of rainy days are May and July (15.3 days).
The month with the least rainy days is January (7.8 days).
Average snowfall in January
Belmont, MA
- Average snowfall in January: 3.07"
The month with the highest snowfall is February (4.72").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Belmont, MA
- Average snowfall days in January: 7.7 days
The month with the highest number of snowfall days is January (7.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Belmont, MA
- Average daylight in January: 9h and 30min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in January: 5h and 6min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in January
Belmont, MA
- Average sunshine days in January: 17.4 days
The month with the most sunshine days is November (17.6 days).
The month with the least sunshine days is April (13.3 days).
Average UV index in January
Belmont, MA
- Average UV index in January: 2
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in January
Belmont, MA
- Average cloud cover in January: 45
The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in January
Belmont, MA
- Average visibility in January: 6mi
The months with the highest visibility are January, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is February (5mi).
